$\"\"$

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The equation is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Check:

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Substitute $\"\"$ in original equation $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Above statement is true.

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$\"\"$

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The solution set is $\"\"$ .